DE3067555D1 - Improved decoding method and system for etab bar code - Google Patents

Improved decoding method and system for etab bar code

Info

Publication number
DE3067555D1
DE3067555D1 DE8080105775T DE3067555T DE3067555D1 DE 3067555 D1 DE3067555 D1 DE 3067555D1 DE 8080105775 T DE8080105775 T DE 8080105775T DE 3067555 T DE3067555 T DE 3067555T DE 3067555 D1 DE3067555 D1 DE 3067555D1
Authority
DE
Germany
Prior art keywords
bar code
decoding method
improved decoding
etab
etab bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8080105775T
Other languages
German (de)
English (en)
Inventor
Gregory Alan Flurry
Marvin Price Smoak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3067555D1 publication Critical patent/DE3067555D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/01—Details
    • G06K7/016—Synchronisation of sensing process
    • G06K7/0166—Synchronisation of sensing process by means of clock-signals derived from the code marks, e.g. self-clocking code

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE8080105775T 1979-10-23 1980-09-25 Improved decoding method and system for etab bar code Expired DE3067555D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/087,605 US4245152A (en) 1979-10-23 1979-10-23 Decoding method and system for ETAB bar code

Publications (1)

Publication Number Publication Date
DE3067555D1 true DE3067555D1 (en) 1984-05-24

Family

ID=22206182

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080105775T Expired DE3067555D1 (en) 1979-10-23 1980-09-25 Improved decoding method and system for etab bar code

Country Status (5)

Country Link
US (1) US4245152A (fr)
EP (1) EP0027900B1 (fr)
JP (1) JPS5668867A (fr)
CA (1) CA1143844A (fr)
DE (1) DE3067555D1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323772A (en) * 1980-03-06 1982-04-06 R. J. Reynolds Tobacco Company Bar code reader system
US4542288A (en) * 1981-02-27 1985-09-17 Drexler Technology Corporation Method for making a laser recordable wallet-size plastic card
US4782220A (en) * 1986-09-29 1988-11-01 Mars, Incorporated Method and apparatus for bar code data autodiscrimination
US4818886A (en) * 1986-11-12 1989-04-04 Quential, Inc. Method and apparatus for self-referencing and self-focusing a bar-code reader
US4831275A (en) * 1986-11-12 1989-05-16 Quential, Inc. Method and means for self-referencing and self-focusing a bar-code reader
JP3230612B2 (ja) * 1992-09-02 2001-11-19 オリンパス光学工業株式会社 ２次元バーコードリーダ
NL9500597A (nl) * 1995-03-28 1996-11-01 Scantech Bv Werkwijze en inrichting voor het decoderen van barcodes.
DE19537368A1 (de) * 1995-10-06 1997-04-10 Sick Ag Verfahren und Vorrichtung zum Lesen eines Strichcodes
US5949054A (en) * 1995-10-23 1999-09-07 Welch Allyn, Inc. Bar code reader for reading high to low contrast bar code symbols
US5798513A (en) * 1996-12-03 1998-08-25 Intermec Corporation Method and apparatus for decoding unresolved profiles produced from relief formed symbols
US6164542A (en) * 1998-11-03 2000-12-26 Intermec Ip Corp. Method and apparatus for decoding unresolved symbol profiles produced from a reduced data set
US6722567B2 (en) * 2001-06-07 2004-04-20 Hewlett-Packard Development Company, L.P. Generating and decoding graphical bar codes
SG151138A1 (en) * 2002-07-08 2009-04-30 Veritec Inc Method for reading a symbol having encoded information

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882301A (en) * 1970-04-27 1975-05-06 Ibm Retrospective pulse modulation including bar coding and apparatus therefor
US3723710A (en) * 1971-06-28 1973-03-27 Ibm Method and device for reading and decoding a high density self-clocking bar code
SE356146B (fr) * 1972-01-27 1973-05-14 Svenska Dataregister Ab
US3784792A (en) * 1972-03-29 1974-01-08 Monarch Marking Systems Inc Coded record and methods of and apparatus for encoding and decoding records
US3763351A (en) * 1972-07-14 1973-10-02 Ibm Bar code scanner
US3979577A (en) * 1973-12-05 1976-09-07 Data General Corporation Code recognition record medium and technique

Also Published As

Publication number Publication date
US4245152A (en) 1981-01-13
JPS5668867A (en) 1981-06-09
CA1143844A (fr) 1983-03-29
EP0027900B1 (fr) 1984-04-18
EP0027900A1 (fr) 1981-05-06
JPS6116119B2 (fr) 1986-04-28

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee